document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1073967>Question 1073967</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You are playing tennis with a friend. The path of the tennis ball after you return a server can be modeled by the function y = -.005 +.17x +3, where x is the horizontal distance (in feet) from where you hit the ball and y is the height (in feet) of the ball.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "What is the maximum height of the tennis ball?\r<BR>\n" );
document.write( "\n" );
document.write( "You are standing 30 feet from the net, which is 3 feet high. Will the ball clear the net?<BR>\n" );
document.write( "Explain </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #688718 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=688718\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The equation looks wrong<BR>\n" );
document.write( "Is it <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+-.005x%5E2+%2B+.17x+%2B+3+ ALIGN=MIDDLE  ALT=\"+y+=+-.005x%5E2+%2B+.17x+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ?<BR>\n" );
document.write( "If so, then:<BR>\n" );
document.write( "The x-value at maximum height is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5Bv%5D+=+-b%2F%282a%29+ ALIGN=MIDDLE  ALT=\"+x%5Bv%5D+=+-b%2F%282a%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > where<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+-.005 ALIGN=MIDDLE  ALT=\"+a+=+-.005\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+.17+ ALIGN=MIDDLE  ALT=\"+b+=+.17+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5Bv%5D+=+-b%2F%282a%29+ ALIGN=MIDDLE  ALT=\"+x%5Bv%5D+=+-b%2F%282a%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5Bv%5D+=+-.17%2F%282%2A%28-.005%29%29+ ALIGN=MIDDLE  ALT=\"+x%5Bv%5D+=+-.17%2F%282%2A%28-.005%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x%5Bv%5D+=+17+ ALIGN=MIDDLE  ALT=\"+x%5Bv%5D+=+17+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+-.005x%5E2+%2B+.17x+%2B+3+ ALIGN=MIDDLE  ALT=\"+y+=+-.005x%5E2+%2B+.17x+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%5Bv%5D+=+-.005%2A17%5E2+%2B+.17%2A17+%2B+3+ ALIGN=MIDDLE  ALT=\"+y%5Bv%5D+=+-.005%2A17%5E2+%2B+.17%2A17+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%5Bv%5D+=+-1.445+%2B+2.89+%2B+3+ ALIGN=MIDDLE  ALT=\"+y%5Bv%5D+=+-1.445+%2B+2.89+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%5Bv%5D+=+4.445+ ALIGN=MIDDLE  ALT=\"+y%5Bv%5D+=+4.445+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The maximum height of the ball is 4.445 ft<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "At <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+30+ ALIGN=MIDDLE  ALT=\"+x+=+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+-.005x%5E2+%2B+.17x+%2B+3+ ALIGN=MIDDLE  ALT=\"+y+=+-.005x%5E2+%2B+.17x+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%2830%29+=+-.005%2A30%5E2+%2B+.17%2A30+%2B+3+ ALIGN=MIDDLE  ALT=\"+y%2830%29+=+-.005%2A30%5E2+%2B+.17%2A30+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%2830%29+=+-4.5+%2B+5.1+%2B+3+ ALIGN=MIDDLE  ALT=\"+y%2830%29+=+-4.5+%2B+5.1+%2B+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y%2830%29+=+3.6+ ALIGN=MIDDLE  ALT=\"+y%2830%29+=+3.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The ball will clear the net by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3.6+-+3+=+.6+ ALIGN=MIDDLE  ALT=\"+3.6+-+3+=+.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "feet which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.6%2A12+=+7.2+ ALIGN=MIDDLE  ALT=\"+.6%2A12+=+7.2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > inches\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );